Question
In a shop, a box of muffins cost $3.10. For every 6 boxes of muffins purchased, an additional 3 boxes of muffins were given free. Kimberly made her purchase and left the shop with 20 boxes of muffins. How much did Kimberly pay in total?
4 m

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In a shop, a box of muffins cost $3.10. For every 6 boxes of muffins purchased, an additional 3 boxes of muffins were given free. Kimberly made her purchase and left the shop with 20 boxes of muffins. How much did Kimberly pay in total?